<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table表格区 -->
            <el-table :data="goodslist" border starpe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="商品创建时间" prop="add_time" width="140px">
                  <template slot-scope="scope">
                    {{ scope.row.add_time | dateFormat }}
                  </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                  <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" icon="el-icon-delete"size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                  </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表数据
            goodslist:[],
            // 总数据条数
            total:0
        }
    },
    created() {
        // 获取所有的商品列表
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList() {
            const {data:res} = await this.$http.get('goods',{ params:this.queryInfo })
            if(res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功!')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize) {
          this.queryInfo.pagesize = newSize
          this.getGoodsList()
        },
        handleCurrentChange(newPage) {
          this.queryInfo.pagenum = newPage
          this.getGoodsList()
        },
        async removeById(id) {
          const consfirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(consfirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }
         const {data:res} = await this.$http.delete(`goods/${id}`)
         if(res.meta.status !== 200) {
          return this.$message.error('删除商品失败')
         }
         this.$message.success('删除商品成功')
         this.getGoodsList()
        },
        // 添加商品按钮
        goAddpage() {
          this.$router.push('/goods/add')
        }
    }

}
</script>

<style lang="less" scoped>

</style>